When To Fertilize Bonsai Tree

This is also when the extra nutrients that the fertilizer provides become most crucial to the health of your bonsai.
When to fertilize bonsai tree. Indoor trees can be fertilized around the year. Once warmer spring days come around and you see signs of the tree starting new growth you can begin fertilizing. Most outdoor bonsai should not be fertilized in the winter since this will encourage growth that should not occur because the tree is supposed to be in dormancy. Type of trees also plays a role deciding on when to apply the fertilizer.
The nutrients are washed out of the soil through normal watering so liquid bonsai fertilizers should be applied every three to six weeks in the off season. For example if you have a deciduous bonsai tree during the growing season fertilize it weekly and stop once the leaves have fallen. Bonsai trees go through a slow growth phase during this time. Organic fertilizers are often times preferred but i have experienced great results by using fish emulsion along with a healthy dose of miracle gro mixed together in a watering can.
During the fall and winter months feed your bonsai with a nitrogen free bonsai fertilizer. From early spring till mid autumn. When applying pour the liquid bonsai fertilizer directly over the leaves and allow it to drip into the soil. Older and more mature trees are often fertilized less frequently also depending on the species the time of year the stage of development and health of the tree.
When to fertilize you will need to fertilize your bonsai throughout the entire growing season usually from early spring until mid autumn. You should fertilize indoor bonsai throughout the year.